A certain photon after being scattered from a free electron at rest moves at an angle of 120 with respect to the incident direction. The wavelength of the incident photon is 0.651 nm.
(a.) What is the wavelength of the scattered photon?
(b.) What is the energy of the scattered photon?
Question 2
The Sun is powered by the proton-proton cycle.
Indicate whether the statement is true or false